Deirdre Heenan: Donaldson and the DUP persist in digging their own political grave

The party is painting the upcoming election as ‘a battle for Northern Ireland’, but its own strategy suggests a deep-seated desire for self-destruction

Sir Jeffrey Donaldson: has been accused of whipping up hysteria over the prospect of a united Ireland to scare people into voting for his beleaguered party. Picture: Jonathan Porter/Press Eye